Open for discussion: #13427- redundant casts highlighting - split downcasts and upcasts

State of request #13427- redundant casts highlighting - split downcasts and upcasts
has changed to "To be discussed". If you want to comment on it please do not reply to this message but add comment to the request's thread instead at http://www.intellij.net/tracker/idea/viewSCR?publicId=13427